32 
CEETACEOTTS CTLTOPODA 
Beissel, who studied the intenial structure of this and other allied species, 
states that the longitudinal lines arc ])roducod hy fiuc canals which surround each 
cell, and some of AAdiich are more or less continuous through the entire length of a 
hranch. 
LomUbj. — A'ermanoor, in yellowish sandstone; rare. 
Formcil'mr, — Arrialoor group. 
Beissel gAes it as a rare species, occurring in the Chalk without flints 
at Priedrichberg, Preusherg, and Vacls, all localities in the Senonicn beds near 
Aachen. 
2. Entalophora pavimentata, Stoliczka, PI. Ill, Eig. 11. 
Ent. ramis crassiuscnlis, svb-cuUndraceis, celbilis in snperjioie deplcoudis, mwit- 
tissime puncticidatis, lineis pauhdum elcvalis in ntroqiie latcnc marginaiis, opertttris 
fenninaUbiis, sub-rokindcdis, vis prorninentibiis, ant sparsis, aid paidbn in seriebiis 
ohliqnis disposUis. 
This species differs from the majority of those knoAvn hy the cells being de- 
pressed, flat, or very little com'cx, and sma’oundcd hy slightly elevated lines, most 
conspicuous on cither side of the cell. The surface is very minutely punctated. 
I'he apertures on the stem are numerous, very slightly or not at all prominent, some- 
Avhat rounded, and in some places arranged in ohlitpie rows, hut more generally they 
appear to he irrcgulaily disposed. Tlie section of the hranch is nearly cylindrical, 
and shows an almost gradual increase in the diameter of the cells from the centre 
towards the periphery. 
LocaUbf. — A^ermanoor, in ycllondsh soft sandstone ; very rare. 
Formal ion . — Arrialoor group. 
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